Home / 10,305.40-15,458.10-6,150.10

Finding the Fourth Proportional to 10,305.40, 15,458.10 and 6,150.10

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Solution

The fourth proportional to 10,305.40, 15,458.10 and 6,150.10 is: 9,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.40 : 15,458.10 = 6,150.10 : x
  2. Step 2: Convert to fraction form
    10,305.40/15,458.10 = 6,150.10/x
  3. Step 3: Cross multiply
    10,305.40x = 15,458.10 × 6,150.10
  4. Step 4: Simplify right side
    10,305.40x = 95,068,860.81
  5. Step 5: Solve for x
    x = 95,068,860.81/10,305.40
  6. Step 6: Final answer
    x = 9,225.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.